How many acts are in the opera based on an 1820 poem by Alexander Pushkinhave, in which Mariya Matveyevna Stepanova created the lead soprano role?
five
-1
Section::::Abstract.
Mariya Stepanova
53054792
-1
Section::::Abstract.
Ruslan and Lyudmila (opera)
1253317
-1
Section::::Abstract.
Ruslan and Lyudmila (opera)
1253317